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<title>Use Case  - 3</title>
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<p><strong><font face="Arial">Use Case 3</font></strong></p>
<p><font face="Arial"><strong>Primary Actor:</strong> Simulation operator</font></p>
<p><font face="Arial"><strong>Preconditions:</strong> Traffobase is installed.</font></p>
<p><font face="Arial"><strong>Postconditions:</strong> Traffobase is launched and the 
server is listening for connections.</font></p>
<p><font face="Arial"><strong>Basic Flow:</strong>&nbsp;<br>  
1. Simulation operator deploys Traffobase to Tomcat by using tomcat.build.xml.<br>
2. Simulation operator then uses a web browser to go to the web app (usually at http://localhost:8080/traffobase-grey).<br>
3. The system displays a welcome page.<br>
4. Simulation operator clicks a link to continue.<br>
5. The system displays the controller page.<br>
6. Simulation operator then clicks on "Start server" to start the Traffobase server.<br>
7. The system then starts the server and listens for packets.</font></p>
<p><font face="Arial"><strong>Alternative Flows:</strong></font></p>
<p><font face="Arial"><strong>Special Requirements:</strong>&nbsp; </font></p>
<p><font face="Arial"><strong>Frequency of Occurrence:</strong> Depends on how many tests the operator wants to run.</font></p>
<p><font face="Arial"><strong>Open Issues:</strong>&nbsp;&nbsp; 
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